Question

Gente me ajudem aí nessa questão

Answer 1

a) 3(x + 1) + 2(2x - 3) = 5(x - 1) + 8

3x + 3 + 4x - 6 = 5x - 5 + 8
3x + 4x - 5x = - 5 + 8 - 3 + 6
7x - 5x = 3 - 3 + 6
2x = 6
x = $\frac{6}{2}$
x = 3

b) 2 * x + 18 = 66

2x + 18 = 66
2x = 66 - 18
2x = 48
x = $\frac{48}{2}$
x = 24